/* Polices auto-hébergées — .woff2 dans /fonts */
/* Space Grotesk */
@font-face { font-family:'Space Grotesk'; font-style:normal; font-weight:600; font-display:swap;
  src:url('fonts/space-grotesk-v22-latin-600.woff2') format('woff2'); }
@font-face { font-family:'Space Grotesk'; font-style:normal; font-weight:700; font-display:swap;
  src:url('fonts/space-grotesk-v22-latin-700.woff2') format('woff2'); }
/* Manrope */
@font-face { font-family:'Manrope'; font-style:normal; font-weight:400; font-display:swap;
  src:url('fonts/manrope-v20-latin-regular.woff2') format('woff2'); }
@font-face { font-family:'Manrope'; font-style:normal; font-weight:500; font-display:swap;
  src:url('fonts/manrope-v20-latin-500.woff2') format('woff2'); }
@font-face { font-family:'Manrope'; font-style:normal; font-weight:600; font-display:swap;
  src:url('fonts/manrope-v20-latin-600.woff2') format('woff2'); }
@font-face { font-family:'Manrope'; font-style:normal; font-weight:700; font-display:swap;
  src:url('fonts/manrope-v20-latin-700.woff2') format('woff2'); }
/* Space Mono */
@font-face { font-family:'Space Mono'; font-style:normal; font-weight:400; font-display:swap;
  src:url('fonts/space-mono-v17-latin-regular.woff2') format('woff2'); }
@font-face { font-family:'Space Mono'; font-style:normal; font-weight:700; font-display:swap;
  src:url('fonts/space-mono-v17-latin-700.woff2') format('woff2'); }
/* Quicksand — police du logo "Clim & Cold" (téléchargez quicksand-vXX-latin-600.woff2 sur gwfh) */
@font-face { font-family:'Quicksand'; font-style:normal; font-weight:600; font-display:swap;
  src:url('fonts/quicksand-v36-latin-600.woff2') format('woff2'); }

/* Feuille de styles Clim & Cold */

/* Tokens / variables */
:root {
  /* Couleurs */
  --ink:        #0A1B2E;   /* navy très froid, quasi-noir */
  --ink-2:      #13314f;   /* navy secondaire */
  --frost:      #F3F8FB;   /* fond clair givré */
  --white:      #FFFFFF;
  --ice:        #1CC8E8;   /* cyan glacé (accent froid) */
  --blue:       #1E72C8;   /* bleu de marque */
  --blue-deep:  #0D4A8A;   /* bleu profond */
  --warm:       #FF7A30;   /* touche chaude (la chaleur régulée) */
  --steel:      #5F7488;   /* texte secondaire */
  --line:       #E2EAF1;   /* filets / bordures */
  --line-dark:  rgba(255,255,255,.12);

  /* Dégradés */
  --grad-brand:   linear-gradient(135deg, var(--blue-deep) 0%, var(--ice) 100%);
  --grad-thermal: linear-gradient(180deg, #FF7A30 0%, #F4B740 28%, #8FD6EA 64%, #1E72C8 100%);

  /* Typographie */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Manrope", system-ui, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, monospace;

  /* Échelle typographique fluide */
  --step--1: clamp(0.83rem, 0.79rem + 0.18vw, 0.92rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.13rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3:  clamp(2rem, 1.6rem + 2vw, 3.1rem);
  --step-4:  clamp(2.6rem, 2rem + 3vw, 4.4rem);

  /* Espacements & rayons */
  --radius:   16px;
  --radius-sm: 10px;
  --radius-lg: 26px;
  --shadow:   0 18px 40px -22px rgba(10,27,46,.45);
  --shadow-sm: 0 6px 18px -12px rgba(10,27,46,.4);
  --container: 1340px;
  --gutter: clamp(1.1rem, 4vw, 2.2rem);
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.02em;
}

::selection { background: var(--ice); color: var(--ink); }

/* Utilitaires de structure */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 700;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
}
.eyebrow--light { color: var(--ice); }

.section__head { max-width: 56ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section__head h2 { font-size: var(--step-3); margin-top: .7rem; }
.section__head p { color: var(--steel); margin-top: 1rem; font-size: var(--step-1); line-height: 1.5; }

.lead { font-size: var(--step-1); color: var(--steel); line-height: 1.55; }

/* Accès au contenu (accessibilité clavier) */
.skip-link {
  position: absolute;
  left: 1rem; top: -200%;
  z-index: 999;
  background: var(--ink);
  color: var(--white);
  padding: .7rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* Focus clavier homogène */
:focus-visible {
  outline: 3px solid var(--ice);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-0);
  letter-spacing: -0.01em;
  transition: transform .18s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
  will-change: transform;
}
.btn svg { width: 1.1em; height: 1.1em; }
.btn--primary {
  background: var(--grad-brand);
  color: var(--white);
  box-shadow: 0 14px 26px -14px rgba(28,200,232,.7);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 20px 34px -14px rgba(28,200,232,.85); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--line);
}
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue); transform: translateY(-2px); }
.btn--ghost-light {
  background: transparent;
  color: var(--white);
  box-shadow: inset 0 0 0 1.5px var(--line-dark);
}
.btn--ghost-light:hover { box-shadow: inset 0 0 0 1.5px var(--ice); transform: translateY(-2px); }
.btn--warm {
  background: var(--warm);
  color: var(--white);
  box-shadow: 0 14px 26px -14px rgba(255,122,48,.8);
}
.btn--warm:hover { transform: translateY(-2px); box-shadow: 0 20px 34px -14px rgba(255,122,48,.9); }

/* En-tête / navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 74px;
}

/* Logo */
.logo { display: inline-flex; align-items: center; gap: .65rem; }
.logo__mark { width: 44px; height: 44px; flex: none; object-fit: contain; }
.logo__text {
  font-family: 'Quicksand', var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: #1D4078;              /* CLIM — bleu marine */
}
.logo__text .lt-amp  { color: #8A9298; }   /* & — gris */
.logo__text .lt-cold { color: #4E86C0; }   /* COLD — bleu acier */

.primary-nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.2rem); }
.primary-nav__links { display: flex; gap: clamp(1rem, 2.2vw, 2rem); }
.primary-nav__links a {
  font-weight: 600;
  font-size: var(--step-0);
  color: var(--ink-2);
  position: relative;
  padding: .3rem 0;
}
.primary-nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
  transition: width .22s ease;
}
.primary-nav__links a:hover::after,
.primary-nav__links a[aria-current="page"]::after { width: 100%; }
.primary-nav__links a[aria-current="page"] { color: var(--blue); }

.header-cta { display: inline-flex; align-items: center; gap: 1rem; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--step-0);
  color: var(--ink);
  white-space: nowrap;
}
.header-phone svg { width: 18px; height: 18px; color: var(--blue); }

/* Burger (mobile) */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
  box-shadow: inset 0 0 0 1.5px var(--line);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after  { position: absolute; top:  6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  background: radial-gradient(120% 120% at 85% 0%, #0E3258 0%, var(--ink) 55%) ;
  color: var(--white);
  overflow: hidden;
}
.hero::after { /* halo glacé */
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 60vw; height: 60vw;
  max-width: 620px; max-height: 620px;
  background: radial-gradient(circle, rgba(28,200,232,.25), transparent 65%);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: var(--step-4);
  font-weight: 700;
  margin: 1.1rem 0 1.3rem;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--ice), #8FD6EA);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero p { color: #C6D6E6; max-width: 46ch; font-size: var(--step-1); line-height: 1.55; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero__trust {
  display: flex; flex-wrap: wrap; gap: 1.2rem 2rem;
  margin-top: 2.6rem; padding-top: 1.8rem;
  border-top: 1px solid var(--line-dark);
}
.hero__trust div { display: flex; flex-direction: column; }
.hero__trust b { font-family: var(--font-mono); font-size: 1.5rem; color: var(--ice); }
.hero__trust small { color: #9DB3C6; font-size: var(--step--1); letter-spacing: .02em; }

/* Visuel signature : le thermostat */
.thermostat {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3vw, 2rem);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.7);
}

.thermostat__panel { max-width: 360px; margin-inline: auto; }

/* laisse le SVG déborder */
.thermostat__panel svg { overflow: visible; }

/* transitions du thermostat */
#thermo-readout,
#thermo-msg,
#thermo-status-bg,
#thermo-status-dot,
#thermo-status-txt,
#thermo-cursor circle,
#thermo-cursor line {
  transition: fill 0.3s ease, stroke 0.3s ease, width 0.3s ease;
}

/* Bande de confiance / logos */
.trustbar {
  background: var(--frost);
  border-bottom: 1px solid var(--line);
}
.trustbar__inner {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center;
  gap: clamp(1.2rem, 4vw, 3rem);
  padding-block: 1.4rem;
}
.trustbar__label { font-family: var(--font-mono); font-size: var(--step--1); color: var(--steel); letter-spacing: .1em; text-transform: uppercase; }
.trustbar__item {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600; color: var(--ink-2);
}
.trustbar__item svg { width: 20px; height: 20px; color: var(--blue); }

/* Cartes services */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex; flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  position: relative;
  overflow: hidden;
}
.card::before { /* liseré thermique en haut */
  content: "";
  position: absolute; inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(30,114,200,.12), rgba(28,200,232,.16));
  color: var(--blue);
  margin-bottom: 1.1rem;
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--step-1); margin-bottom: .55rem; }
.card p { color: var(--steel); font-size: var(--step-0); }
.card__link {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: auto; padding-top: 1.1rem; align-self: flex-start;
  font-weight: 700; color: var(--blue);
  font-family: var(--font-display);
}
.card__link svg { width: 1em; height: 1em; transition: transform .2s ease; }
.card:hover .card__link svg { transform: translateX(4px); }

/* Processus (étapes — vraie séquence) */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  list-style: none; padding: 0;
}
.step {
  position: relative;
  padding: 1.6rem 1.4rem 1.4rem;
  border-radius: var(--radius);
  background: var(--frost);
  border: 1px solid var(--line);
}
.step__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--blue);
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: inset 0 0 0 2px var(--ice);
  margin-bottom: 1rem;
}
.step h3 { font-size: var(--step-1); margin-bottom: .4rem; color: var(--blue); }
.step p { color: var(--steel); font-size: var(--step-0); }

/* Section sombre + stats */
.dark {
  background: radial-gradient(120% 120% at 85% 0%, #0E3258 0%, var(--ink) 55%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.dark::after { /* halo glacé identique au hero */
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 60vw; height: 60vw;
  max-width: 620px; max-height: 620px;
  background: radial-gradient(circle, rgba(28,200,232,.25), transparent 65%);
  pointer-events: none;
}
.dark .section__head h2 { color: var(--white); }
.dark .section__head p { color: #B7C8D8; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.4rem;
}
.stat {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  background: rgba(255,255,255,.03);
}
.stat b {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.7rem);
  background: linear-gradient(120deg, var(--ice), #8FD6EA);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; line-height: 1;
}
.stat span { color: #B7C8D8; font-size: var(--step-0); margin-top: .5rem; display: block; }

/* Atouts (liste à cocher) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.checklist { display: grid; gap: 1rem; margin-top: 1.6rem; }
.checklist li { display: flex; gap: .85rem; align-items: flex-start; }
.checklist .tick {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--grad-brand); color: var(--white);
  display: grid; place-items: center;
  margin-top: 2px;
}
.checklist .tick svg { width: 14px; height: 14px; }
.checklist b { font-family: var(--font-display); display: block; }
.checklist p { color: var(--steel); font-size: var(--step-0); }

.media-card {
  border-radius: var(--radius-lg);
  background: var(--grad-brand);
  color: var(--white);
  padding: clamp(1.8rem, 4vw, 2.8rem);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.media-card::after {
  content: "";
  position: absolute; inset: auto -20% -30% auto;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,.22), transparent 70%);
}
.media-card .quote { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.25; position: relative; z-index: 1; }
.media-card .who { margin-top: 1.4rem; font-weight: 700; position: relative; z-index: 1; }
.media-card .who small { display: block; font-weight: 500; opacity: .85; }

/* Bande CTA */
.cta-band {
  background: var(--grad-brand);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(2.2rem, 5vw, 3.4rem);
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 2rem;
  align-items: center;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: -50% auto auto -10%;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(255,255,255,.18), transparent 70%);
}
.cta-band h2 { font-size: var(--step-3); position: relative; z-index: 1; }
.cta-band p { margin-top: .6rem; opacity: .92; position: relative; z-index: 1; max-width: 50ch; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: .9rem; position: relative; z-index: 1; }

/* Détail des services (page services) */
.service-block { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: stretch; }
.service-block + .service-block { margin-top: clamp(3rem, 6vw, 5rem); }
.service-block:nth-child(even) .service-block__media { order: -1; }
.service-block__media {
  border-radius: var(--radius-lg);
  background: var(--frost);
  border: 1px solid var(--line);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: grid; place-items: center;
  min-height: 260px; overflow: hidden;
}
.service-block__media svg { width: min(80%, 300px); height: auto; }
.service-block__media--embed { padding: 0; position: relative; overflow: hidden; min-height: 420px; }
.service-block__media--embed iframe {
  position: absolute; top: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%; aspect-ratio: 9 / 16; height: auto;
  border: 0;
}
.service-block h3 { font-size: var(--step-2); margin: .6rem 0 1rem; }
.service-block .tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.tag {
  font-family: var(--font-mono); font-size: var(--step--1);
  padding: .4rem .8rem; border-radius: 999px;
  background: rgba(30,114,200,.08); color: var(--blue); font-weight: 700;
}

/* Secteurs */
.sectors { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 1.2rem; }
.sector {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; background: var(--white);
  display: flex; flex-direction: column; min-height: 190px;
  transition: border-color .2s ease, transform .2s ease;
}
.sector:hover { border-color: var(--ice); transform: translateY(-3px); }
.sector svg { width: 34px; height: 34px; color: var(--blue); margin-bottom: .8rem; }
.sector b { font-family: var(--font-display); display: block; font-size: var(--step-1); margin-top: auto; color: var(--ink); }
.sector p { color: var(--steel); font-size: var(--step--1); margin-top: .3rem; }

/* Page contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  box-shadow: var(--shadow-sm);
}
.field { margin-bottom: 1.2rem; }
.field label { display: block; font-weight: 600; font-family: var(--font-display); margin-bottom: .45rem; font-size: var(--step-0); }
.field label .req { color: var(--warm); }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--frost);
  border: 1.5px solid var(--line);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(30,114,200,.12);
}
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field .error-msg { display: none; color: #D7263D; font-size: var(--step--1); margin-top: .4rem; font-weight: 600; }
.field.invalid input,
.field.invalid textarea,
.field.invalid select { border-color: #D7263D; background: #FFF5F6; }
.field.invalid .error-msg { display: block; }

.form-consent { display: flex; gap: .7rem; align-items: flex-start; font-size: var(--step--1); color: var(--steel); }
.form-consent input { width: auto; margin-top: 4px; }

.form-status {
  display: none;
  margin-top: 1.2rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.form-status.success { display: block; background: rgba(28,200,232,.12); color: var(--blue-deep); border: 1px solid rgba(28,200,232,.4); }

/* Encart infos de contact */
.contact-info { display: grid; gap: 1.1rem; }
.info-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.info-item__icon {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(30,114,200,.12), rgba(28,200,232,.16));
  color: var(--blue);
}
.info-item__icon svg { width: 22px; height: 22px; }
.info-item b { font-family: var(--font-display); display: block; }
.info-item a, .info-item p { color: var(--steel); }
.info-item a:hover { color: var(--blue); }
.info-item--warm { background: var(--ink); color: var(--white); border-color: transparent; }
.info-item--warm .info-item__icon { background: var(--warm); color: var(--white); }
.info-item--warm p, .info-item--warm a { color: #C6D6E6; }

/* FAQ */
.faq { display: grid; gap: .8rem; }
.faq details {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--white); padding: .3rem 1.3rem;
}
.faq summary {
  list-style: none; cursor: pointer;
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-1);
  padding: 1.1rem 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--blue); font-size: 1.5rem; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--steel); padding-bottom: 1.1rem; }

/* Page-hero (services / contact) */
.page-hero {
  background: radial-gradient(110% 130% at 90% 0%, #0E3258 0%, var(--ink) 58%);
  color: var(--white);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.page-hero h1 { font-size: var(--step-4); margin: 1rem 0 .9rem; max-width: 18ch; }
.page-hero p { color: #C6D6E6; max-width: 54ch; font-size: var(--step-1); }
.breadcrumb { font-family: var(--font-mono); font-size: var(--step--1); color: #9DB3C6; letter-spacing: .04em; }
.breadcrumb a:hover { color: var(--ice); }

/* Pied de page */
.site-footer { background: var(--ink); color: #B7C8D8; padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-dark);
}
.site-footer .logo__text { color: #FFFFFF; }
.site-footer .logo__text .lt-amp  { color: #9DB3C6; }
.site-footer .logo__text .lt-cold { color: var(--ice); }
.footer-about p { margin-top: 1rem; max-width: 32ch; font-size: var(--step-0); }
.footer-col h4 { color: var(--white); font-size: var(--step-0); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; font-family: var(--font-mono); font-weight: 700; }
.footer-col ul { display: grid; gap: .6rem; }
.footer-col a:hover { color: var(--ice); }
.footer-contact li { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .7rem; }
.footer-contact svg { width: 17px; height: 17px; color: var(--ice); flex: none; margin-top: 4px; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: space-between; align-items: center;
  padding-block: 1.6rem; font-size: var(--step--1);
}
.footer-bottom a:hover { color: var(--ice); }

/* Animations d'entrée */
.reveal { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s ease; }
.js .reveal { opacity: 0; transform: translateY(22px); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (max-width: 720px) {
  .reveal { transition-delay: 0ms !important; }
}

.fade-up { animation: fadeUp .8s cubic-bezier(.2,.7,.2,1) both; }
.fade-up-2 { animation: fadeUp .8s .12s cubic-bezier(.2,.7,.2,1) both; }
.fade-up-3 { animation: fadeUp .8s .24s cubic-bezier(.2,.7,.2,1) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

/* Responsive */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .thermostat { max-width: 420px; }
  .split, .service-block, .contact-grid { grid-template-columns: 1fr; }
  .service-block:nth-child(even) .service-block__media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .header-cta .header-phone { display: none; }
  .primary-nav {
    position: fixed;
    inset: 74px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.6rem;
    box-shadow: var(--shadow);
    transform: translateY(-130%);
    transition: transform .3s ease;
    z-index: 90;
  }
  .primary-nav.is-open { transform: translateY(0); }
  .primary-nav__links { flex-direction: column; gap: 0; }
  .primary-nav__links a { padding: .9rem 0; border-bottom: 1px solid var(--line); font-size: var(--step-1); }
  .primary-nav__links a::after { display: none; }
  .primary-nav .header-phone { display: inline-flex; margin-top: 1rem; }
  .primary-nav .btn { margin-top: 1rem; justify-content: center; }
}

@media (max-width: 560px) {
  .field--row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__actions .btn, .cta-band__actions .btn { width: 100%; justify-content: center; }
}

/* Préférence mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Pages légales / contenu long */
.prose { max-width: 820px; }
.prose h2 { font-size: var(--step-2); margin: 2.4rem 0 .8rem; }
.prose h2:first-of-type { margin-top: 0; }
.prose h3 { font-size: var(--step-1); margin: 1.6rem 0 .5rem; }
.prose p { margin-bottom: 1rem; color: var(--ink-2); }
.prose ul.bullets { list-style: disc; padding-left: 1.3rem; margin: 0 0 1.2rem; display: grid; gap: .45rem; }
.prose ul.bullets li { color: var(--ink-2); }
.prose a { color: var(--blue); font-weight: 600; text-decoration: underline; text-underline-offset: .2em; }
.prose dl { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1.2rem; margin: 1rem 0 1.4rem; }
.prose dt { font-weight: 700; color: var(--ink); }
.prose dd { color: var(--ink-2); margin: 0; }
.updated { font-size: var(--step--1); color: var(--steel); margin-bottom: 1.8rem; }

/* Bloc éditorial (à supprimer avant mise en ligne) */
.editor-note {
  background: #FFF8E1; border-left: 4px solid #F4B740;
  padding: 1rem 1.2rem; border-radius: 4px; margin-bottom: 2rem;
  font-size: var(--step--1);
}
.editor-note b { color: #B45309; display: block; margin-bottom: .3rem; }
.fill { background: #FFF176; border-radius: 2px; padding: 0 .2em; }